ICD-10-CM 2027
ICD-10 code for fingers fusion
From the official ICD-10-CM alphabetic index entry “Fusion, fused (congenital) › fingers”. Page updated September 29, 2026.
About coding fingers fusion
The ICD-10-CM code for fingers fusion is Q70.0 (Fused fingers).
Within Q70 (syndactyly), Q70.0 is specifically for fused fingers. Related codes cover Webbed fingers (Q70.1), fused toes (Q70.2), Webbed toes (Q70.3), Polysyndactyly, unspecified (Q70.4) and unspecified (Q70.9).
To report this condition, pick the subcode that matches the documentation: Q70.00 (unspecified hand), Q70.01 (right hand), Q70.02 (left hand) and Q70.03 (bilateral).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.